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Simplifying Cos2(3x) + -1 = 0 Remove parenthesis around (3x) os2C * 3x + -1 = 0 Reorder the terms for easier multiplication: 3os2C * x + -1 = 0 Multiply os2C * x 3os2xC + -1 = 0 Reorder the terms: -1 + 3os2xC = 0 Solving -1 + 3os2xC = 0 Solving for variable 'o'. Move all terms containing o to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + 3os2xC = 0 + 1 Combine like terms: -1 + 1 = 0 0 + 3os2xC = 0 + 1 3os2xC = 0 + 1 Combine like terms: 0 + 1 = 1 3os2xC = 1 Divide each side by '3s2xC'. o = 0.3333333333s-2x-1C-1 Simplifying o = 0.3333333333s-2x-1C-1
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